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author | jb <jb@FreeBSD.org> | 1999-11-06 22:40:15 +0000 |
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committer | jb <jb@FreeBSD.org> | 1999-11-06 22:40:15 +0000 |
commit | e28213219409cea58e3820e89ca982bb93425ee5 (patch) | |
tree | ef5a7768177116cada5046847d179e78d75b5e59 /gnu | |
parent | 7ed759d55a061fb1f7c2a667af23a726c2d9cf32 (diff) | |
download | FreeBSD-src-e28213219409cea58e3820e89ca982bb93425ee5.zip FreeBSD-src-e28213219409cea58e3820e89ca982bb93425ee5.tar.gz |
This is a simplified version of the binutils script which better suits
the (few) things that the FreeBSD makefiles need to specify.
Diffstat (limited to 'gnu')
-rwxr-xr-x | gnu/usr.bin/binutils/ld/genscripts.sh | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/ld/genscripts.sh b/gnu/usr.bin/binutils/ld/genscripts.sh new file mode 100755 index 0000000..1815790 --- /dev/null +++ b/gnu/usr.bin/binutils/ld/genscripts.sh @@ -0,0 +1,107 @@ +#!/bin/sh +# genscripts.sh - generate the ld-emulation-target specific files +# +# Usage: genscripts.sh srcdir libdir host target target_alias \ +# default_emulation native_lib_dirs this_emulation +# +# Sample usage: +# genscripts.sh /djm/ld-devo/devo/ld /usr/local/lib sparc-sun-sunos4.1.3 \ +# sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sun4 "" sun3 sparc-sun-sunos4.1.3 +# produces sun3.x sun3.xbn sun3.xn sun3.xr sun3.xu em_sun3.c +# +# $FreeBSD$ +# +# This is a cut-down version of the GNU script. Instead of jumping through +# hoops for all possible combinations of paths, just use the libdir +# argument in place of LIB_PATH. +# +# The host, target and target_alias arguments are not used in this version. +# + +srcdir=$1 +libdir=$2 +host=$3 +target=$4 +target_alias=$5 +DEFAULT_EMULATION=$6 +NATIVE_LIB_DIRS=$7 +EMULATION_NAME=$8 + +# Include the emulation-specific parameters: +. ${srcdir}/emulparams/${EMULATION_NAME}.sh + +if test -d ldscripts; then + true +else + mkdir ldscripts +fi + +LIB_SEARCH_DIRS=`echo ${libdir} | tr ':' ' ' | sed -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\1);/g'` + +# Generate 5 or 6 script files from a master script template in +# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh. Which one of the 5 or 6 +# script files is actually used depends on command line options given +# to ld. (SCRIPT_NAME was set in the emulparams_file.) +# +# A .x script file is the default script. +# A .xr script is for linking without relocation (-r flag). +# A .xu script is like .xr, but *do* create constructors (-Ur flag). +# A .xn script is for linking with -n flag (mix text and data on same page). +# A .xbn script is for linking with -N flag (mix text and data on same page). +# A .xs script is for generating a shared library with the --shared +# flag; it is only generated if $GENERATE_SHLIB_SCRIPT is set by the +# emulation parameters. + +SEGMENT_SIZE=${SEGMENT_SIZE-${TARGET_PAGE_SIZE}} + +# Determine DATA_ALIGNMENT for the 5 variants, using +# values specified in the emulparams/<emulation>.sh file or default. + +DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}" +DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}" +DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}" +DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}" +DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}" + +LD_FLAG=r +DATA_ALIGNMENT=${DATA_ALIGNMENT_r} +DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})" +(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \ + ldscripts/${EMULATION_NAME}.xr + +LD_FLAG=u +DATA_ALIGNMENT=${DATA_ALIGNMENT_u} +CONSTRUCTING=" " +(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \ + ldscripts/${EMULATION_NAME}.xu + +LD_FLAG= +DATA_ALIGNMENT=${DATA_ALIGNMENT_} +RELOCATING=" " +(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \ + ldscripts/${EMULATION_NAME}.x + +LD_FLAG=n +DATA_ALIGNMENT=${DATA_ALIGNMENT_n} +TEXT_START_ADDR=${NONPAGED_TEXT_START_ADDR-${TEXT_START_ADDR}} +(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \ + ldscripts/${EMULATION_NAME}.xn + +LD_FLAG=N +DATA_ALIGNMENT=${DATA_ALIGNMENT_N} +(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \ + ldscripts/${EMULATION_NAME}.xbn + +if test -n "$GENERATE_SHLIB_SCRIPT"; then + LD_FLAG=shared + DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} + CREATE_SHLIB=" " + # Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR. + (. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc) | sed -e '/^ *$/d' > \ + ldscripts/${EMULATION_NAME}.xs +fi + +test "$DEFAULT_EMULATION" = "$EMULATION_NAME" && COMPILE_IN=true + +# Generate e${EMULATION_NAME}.c. +. ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em |